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The study was carried out in one small town so we can’t be sure that the results are truly ________.
A.exact B.properC.representativeD.natural
A
词义辨析,四个选项分别表示准确的精密的、适当的、有代表性的和自然的,根据题意选A,这项研究时在一个小镇上实行,因此我们不能确定结果是否真的准确。
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